Air purifier



FIG. 1 is a perspective view of a new air purifier in accordance withthe present invention;

FIG. 2 is a front elevational view of the air purifier of FIG. 1;

FIG. 3 is a right side elevational view of the air purifier of FIG. 1,the left side being a mirror image thereof;

FIG. 4 is a top plan view of the air purifier of FIG. 1;

FIG. 5 is a rear elevational view of the air purifier of FIG. 1; and,

FIG. 6 is a bottom plan view of the air purifier of FIG. 1.

The ornamental design for an air purifier, as shown and described.